69 lines
2.7 KiB
Ragel
69 lines
2.7 KiB
Ragel
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/assert.h"
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#include "libc/nexgen32e/x86feature.h"
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#include "libc/sysv/errfuns.h"
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#include "net/http/uri.h"
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#define static
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/* clang-format off */
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%% machine uricspn;
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%% write data;
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/* clang-format on */
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int uricspn(const char *data, size_t size) {
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int uricspn$avx(const char *, size_t) hidden;
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const char *p, *pe;
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int cs;
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assert(data || !size);
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assert(size <= 0x7ffff000);
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assert(size <= 0x7ffff000);
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if (X86_HAVE(AVX)) {
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return uricspn$avx(data, size);
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}
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p = data;
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pe = data + size;
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/* clang-format off */
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%%{
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mark = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")";
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reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | "$" | ",";
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unreserved = alnum | mark;
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uric = reserved | unreserved | "%";
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machina := uric*;
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}%%
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%% write init;
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cs = uricspn_en_machina;
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%% write exec;
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/* clang-format on */
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if (cs >= uricspn_first_final) {
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return p - data;
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} else {
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return einval();
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}
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}
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